Collapsible chair



Aug. 7, 1928.

mam m I w. c.. RAST ETTER COLLAPSIBLE CHAIR Filed NOV. 17, 1924 V y gNvENToR ATTORNEY fiatented Aug. 7, i328.

meat? 1 coLLnrsIBLn CHAIR.

Application filed November. 17, 1924. Serial No. 750,370.

This invention relates to improvementsin collapsible chairs, and the object thereofis to provide a chainwith-a main frame extending in a fiat lplane', and-folding legs for its support, .andgwith affolding seat having supported relation with the. frame and legs in such manner than the chair structure will be braced rigidly when; in position for use. And another object is to providea collapsible chair, the folding parts of which are so connected together and arranged as. to admit of theinfolding .flatwise into the plane of the main frame of the chair. a

These objects are accomplished by the construction illustrated in the accompanying drawings, in which i V Fig. l is a side elevation of the structure embodying the invention;

Fig. 2 is a front elevation projected from r F ig. 1; and

Fig.3 is a bottom plan view. of the seat, and parts with which it is connected.

The characters appearing in the description refer to parts shown in the drawings and designated thereon by corresponding characters. y r i The invention comprises a frame 1 having parallel legs 2 spaced apart and connected with a cross-piece 3 near their lower ends at the front thereof. A pair of folding legs l are pivoted respectively at their upper ends to the corresponding legs 2 of theframe adjacent the inner sides thereof, and said legsare connected together by a transverse rod 5.

In the upper part of the frame is secured a swinging frame 6 having pendant, arms 7 pivotally secured respectively to the corresponding legs 2 as indicated by 8, the lower ends of each pendant arm having a longitudinal slot 9 therein through which the transverse rod 5 extends and has limited upward movement therein so thatthe spread between the folding legs and the frame is correspondingly limited by the swinging frame. The pendant arms 7 are connected together by a transverse bar 10, and a series of slats 11, vertically disposed, are secured to said bar and to the top of the frame 6 to form the back-restof the chair. A seat 12 having at its rear end a pair of brackets 13 has pivotal connection with the swinging frame 6, each bracket being secured to the corresponding pendant arm 7 by a pivot 14:

so that the seatswings upon a horizontal axis in said swinging frame.

A U-shaped shackle 15 having rearwardly extending arms 16 is mounted upon the pivots 17 in the legs 2 upon which the folding legs at swing, and each arm 16 of the shackle is connected at its rear end by means of a pivot 18 with the corresponding bracket 13 on the seat'so that forward and backward movement of the seat in the main frame when the seat is in position for use is prevented. The rear ends of the arms 16 of the shackle bearagainst the forward edges of the corresponding pendant arms 7 when the seat is in position for use, while said seat rests upon the tops of the folding legs a by which downward movement of the seat is stopped.

In utilizing the invention, the folding legs serve to prop the main frame in position for use and also their upper ends function as a fulcrum support for the seat, while the swinging frame limits the backward swing of the folding legs and also supports the rear end of the seat. The brackets 13 on the seat and the arms 16 of the yoke func tion as a toggle connection between the swinging frame and the legs of the supporting frame, and thus when the seat is raised, the pendant arms of the swinging frame are drawn by the toggle connection into folded position in the main frame, and the folding legs are actuated by the swinging frame. Thus, when the seat is raised to its folded position the swinging frame and the folding legs are likewise moved.

What I claim is 1. In a collapsible chair, a main frame having legs spaced apart; a swinging frame pivotally supported in the upper part of the main frame and having slotted pendant arms; a pair of folding legs pivoted at their upper ends respectively in the main frame adjacent the corresponding legs thereof and having a transverse rod connecting them together at a point approximately midway between their ends which rod extends through the slots of said pendant arms a folding seat having pivotal connection at its rear end with said. swinging frame and bearing-support on the tops of the folding legs when in position for use; and a shackle having pivotal support in the main frame and with the rear end of the seat forward of the plvotal connection of said seat and swinglng frame.

7 2.111 a collapsible chair, a frame having spaced legs; a back-rest pivotally supported in the upper part of-the frame and having slotted pendant arms; a pair of folding legs pivoted at their upper ends in the frame and having sliding connection with the pendant arms; a foldingv seat hav ing, pivotal connection at its rear end with said back-rest and bearing-support on the tops of the folding legs when 111 position for use; and a shackle having pivotal support iii-the frame at apoint-alined with the pivotal connection for the folding legs and with said seat adjacent the rear end thereof, said "seat and shackle forming a toggle connecea 17s folding legs at the lower extremities of said back-rest; a folding seat pivoted at its rear end to the back-rest; and a shackle having support in the frame on the pivotal connections of the folding legs and the legs of the frame and also with'said seat near the rear end thereof, said shackle and seat form- .mg a toggle connection between the backrest andvthe frame operable to actuate the backrest. I

it-A collapsible chair including a frame having-spaced legs and afpair of folding legs inpivotal connection therewith, pendant arms pivotedin the frameyrneans in connection-with the-folding legs and the pendant armsoperableto limit outward swinging movement of said folding legs; toggle members having connected relation with said frame and swinging arms; and 'a foldlng seat 1n connection with said toggle members and having actuating relation therewith.

WILLIAM J. RASTETTER.

in testimony whereof I aflix my sign'a ture. 

